/*
 * Copyright (c) 2010-2011, okazoh_tk. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 *  - Redistributions of source code must retain the above copyright notice,
 *    this list of conditions and the following disclaimer.
 *  - Redistributions in binary form must reproduce the above copyright notice,
 *    this list of conditions and the following disclaimer in the documentation
 *    and/or other materials provided with the distribution.
 *  - Neither the name of the copyright holder nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef ALKES_OPENGL_STATE_H_INCLUDED_
#define ALKES_OPENGL_STATE_H_INCLUDED_

#include "alkes/opengl/internal.h"
#include "alkes/core/TBitArray.h"

namespace alkes {

#define AL_OGL_ST(name)    AL_OGL_ST_##name

enum ServerState
{
#include "alkes/opengl/ServerState.inl"
    AL_OGL_ST_SERVER_STATE_MAX,
};

enum ClientState
{
#include "alkes/opengl/ClientState.inl"
    AL_OGL_ST_CLIENT_STATE_MAX,
};

class AL_OGL_EXPORT GLState
{
public:

    GLState();
    ~GLState();

    bool isEnable(ServerState state) const;
    void set(ServerState state, bool is_enable);
    void enable(ServerState state);
    void disable(ServerState state);

    bool isEnable(ClientState state) const;
    void set(ClientState state, bool is_enable);
    void enable(ClientState state);
    void disable(ClientState state);

private:
    TBitArrays<uint32_t, (AL_OGL_ST_SERVER_STATE_MAX + 0x1f) / 32> server_states_;
    TBitArray<uint32_t> client_states_;
};

}

#endif
